html {
  scroll-behavior: smooth;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff; 
    color: #374151; 
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem; 
    padding-right: 1.5rem; 
}
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f3f4f6; 
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: #9ca3af; 
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6b7280; 
}

.header-nav li {
    display: inline-block;
    position: relative;
}
.header-nav li::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: currentColor;
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}
.header-nav li:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.header {
    background-color: #ffffff;
    padding-top: 1.25rem; 
    padding-bottom: 1.25rem; 
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); 
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #f3f4f6; 
}
.header-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.header-title {
    font-size: 1.875rem; 
    font-weight: 600; 
    letter-spacing: -0.025em; 
    margin-bottom: 1rem; 
    color: #1f2937; 
    transition: color 0.3s ease;
}
.header-title a {
    text-decoration: none;
    color: #000;
}
.header-title a:hover {
    color: #4b5563; 
}
.header-nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.125rem; 
    color: #4b5563; 
}
.header-nav li {
    margin: 0 1rem; 
}
.header-nav a {
    text-decoration: none;
    color: inherit;
}

@media (min-width: 768px) { 
    .header-content {
        flex-direction: row;
    }
    .header-title {
        margin-bottom: 0;
    }
}

.hero-section {
    background-color: #ffffff;
    padding-top: 6rem; 
    padding-bottom: 6rem; 
    text-align: center;
}
@media (min-width: 768px) { 
    .hero-section {
        padding-top: 10rem; 
        padding-bottom: 10rem; 
    }
}
.hero-title {
    font-size: 3.75rem; 
    font-weight: 800; 
    color: #111827; 
    margin-bottom: 2rem; 
    line-height: 1.25; 
}
@media (min-width: 768px) { 
    .hero-title {
        font-size: 5rem; 
    }
}
.hero-subtitle {
    font-size: 1.25rem; 
    color: #4b5563; 
    margin-bottom: 3rem; 
    max-width: 48rem; 
    margin-left: auto;
    margin-right: auto;
}
@media (min-width: 768px) { 
    .hero-subtitle {
        font-size: 1.5rem; 
    }
}
.hero-button {
    display: inline-block;
    background-color: #111827; 
    color: #ffffff;
    font-weight: 500; 
    padding: 1rem 2.5rem; 
    border-radius: 9999px; 
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-decoration: none;
}
.hero-button:hover {
    background-color: #374151; 
    transform: scale(1.05);
}

.about-section {
    padding-top: 5rem; 
    padding-bottom: 5rem; 
    background-color: #f9fafb; 
    border-top: 1px solid #f3f4f6; 
    border-bottom: 1px solid #f3f4f6; 
}
@media (min-width: 768px) { 
    .about-section {
        padding-top: 8rem; 
        padding-bottom: 8rem; 
    }
}
.about-title {
    font-size: 3.125rem; 
    font-weight: 700; 
    text-align: center;
    color: #111827; 
    margin-bottom: 4rem; 
}
.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}
@media (min-width: 768px) { 
    .about-content {
        flex-direction: row;
        justify-content: center; 
        gap: 4rem; 
    }
}
.about-image-wrapper {
    margin-bottom: 2.5rem; 
}
@media (min-width: 768px) { 
    .about-image-wrapper {
        width: 33.333333%; 
        margin-bottom: 0;
    }
}
.about-image {
    border-radius: 9999px; 
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
    margin-left: auto;
    margin-right: auto;
    width: 16rem; 
    height: 16rem; 
    object-fit: cover;
    border: 4px solid #e5e7eb; 
}
.about-text-wrapper {
    font-size: 1.125rem; 
    color: #374151; 
    line-height: 1.625; 
}
@media (min-width: 768px) { 
    .about-text-wrapper {
        width: 66.666667%; 
    }
}
.about-text-wrapper p {
    margin-bottom: 1.5rem; 
}

.portfolio-section {
    padding-top: 5rem; 
    padding-bottom: 5rem; 
    background-color: #ffffff;
}
@media (min-width: 768px) { 
    .portfolio-section {
        padding-top: 8rem; 
        padding-bottom: 8rem; 
    }
}
.portfolio-title {
    font-size: 3.125rem; 
    font-weight: 700; 
    text-align: center;
    color: #111827; 
    margin-bottom: 4rem; 
}
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 3rem; 
}
@media (min-width: 768px) { 
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr); 
    }
}
@media (min-width: 1024px) { 
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr); 
    }
}
.project-card {
    background-color: #ffffff;
    border-radius: 0.75rem; 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
    transition: box-shadow 0.3s ease;
    overflow: hidden;
    border: 1px solid #f3f4f6; 
}
.project-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
}
.project-image {
    width: 100%;
    height: 16rem; 
    background: rgba(0, 0, 0, 0.1);
    object-fit: contain;
}
.project-content {
    padding: 2rem; 
}
.project-title {
    font-size: 1.5rem; 
    font-weight: 600; 
    color: #111827; 
    margin-bottom: 0.75rem; 
}
.project-description {
    color: #374151; 
    margin-bottom: 1.25rem; 
    line-height: 1.625; 
}
.project-link {
    display: inline-flex;
    align-items: center;
    color: #1f2937; 
    text-decoration: none;
    font-weight: 500; 
    transition: color 0.3s ease;
}
.project-link:hover {
    color: #4b5563; 
}
.project-link svg {
    height: 1rem; 
    width: 1rem; 
    margin-left: 0.5rem; 
}

.services-section {
    padding-top: 5rem; 
    padding-bottom: 5rem; 
    background-color: #f9fafb; 
    border-top: 1px solid #f3f4f6; 
    border-bottom: 1px solid #f3f4f6; 
}
@media (min-width: 768px) { 
    .services-section {
        padding-top: 8rem; 
        padding-bottom: 8rem; 
    }
}
.services-title {
    font-size: 3.125rem; 
    font-weight: 700; 
    text-align: center;
    color: #111827; 
    margin-bottom: 4rem; 
}
.services-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 2.5rem; 
    text-align: center;
}
@media (min-width: 768px) { 
    .services-grid {
        grid-template-columns: repeat(3, 1fr); 
    }
}
.service-card {
    background-color: #ffffff;
    padding: 2.5rem; 
    border-radius: 0.75rem; 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
    border: 1px solid #f3f4f6; 
}
.service-icon {
    font-size: 3.75rem; 
    color: #1f2937; 
    margin-bottom: 1.5rem; 
    height: 4rem; 
    width: 4rem; 
    margin-left: auto;
    margin-right: auto;
}
.service-title {
    font-size: 1.5rem; 
    font-weight: 600; 
    color: #111827; 
    margin-bottom: 1rem; 
}
.service-description {
    color: #374151; 
    line-height: 1.625; 
}

.cta-section {
    background-color: #111827; 
    padding-top: 5rem; 
    padding-bottom: 5rem; 
    text-align: center;
    color: #ffffff;
}
.cta-title {
    font-size: 2.25rem; 
    font-weight: 700; 
    margin-bottom: 1.5rem; 
}
@media (min-width: 768px) { 
    .cta-title {
        font-size: 3rem; 
    }
}
.cta-subtitle {
    font-size: 1.25rem; 
    margin-bottom: 2.5rem; 
    max-width: 48rem; 
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9; 
}
.cta-subtitle a {
    color: #fff;
}
.cta-button {
    display: inline-block;
    background-color: #ffffff;
    color: #111827; 
    font-weight: 500; 
    padding: 1rem 2.5rem; 
    border-radius: 9999px; 
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-decoration: none;
}
.cta-button:hover {
    background-color: #e5e7eb; 
    transform: scale(1.05);
}

.contact-section {
    padding-top: 5rem; 
    padding-bottom: 5rem; 
    background-color: #ffffff;
}
@media (min-width: 768px) { 
    .contact-section {
        padding-top: 8rem; 
        padding-bottom: 8rem; 
    }
}
.contact-title {
    font-size: 3.125rem; 
    font-weight: 700; 
    text-align: center;
    color: #111827; 
    margin-bottom: 4rem; 
}
.contact-form {
    background-color: #f9fafb; 
    padding: 2.5rem; 
    border-radius: 0.75rem; 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
    border: 1px solid #f3f4f6; 
    max-width: 48rem; 
    margin-left: auto;
    margin-right: auto;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 2rem; 
    margin-bottom: 2rem; 
}
@media (min-width: 768px) { 
    .form-grid {
        grid-template-columns: repeat(2, 1fr); 
    }
}
.form-group label {
    display: block;
    text-align: left;
    color: #374151; 
    font-size: 0.875rem; 
    font-weight: 600; 
    margin-bottom: 0.5rem; 
}
.form-group input,
.form-group textarea {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); 
    appearance: none;
    border: 1px solid #d1d5db; 
    border-radius: 0.5rem; 
    width: 100%;
    padding: 0.75rem 1rem; 
    color: #374151; 
    line-height: 1.25; 
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: transparent;
    box-shadow: 0 0 0 1px #6b7280, 0 0 0 1px #6b7280; 
}
.form-group textarea {
    min-height: 9rem; 
}
.form-submit-button {
    background-color: #111827; 
    color: #ffffff;
    font-weight: 500; 
    padding: 0.75rem 2rem; 
    border-radius: 9999px; 
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
    transition: background-color 0.3s ease, transform 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
}
.form-submit-button:hover {
    background-color: #374151; 
    transform: scale(1.05);
}
.social-links-text {
    margin-top: 3rem; 
    color: #4b5563; 
}
.social-icons {
    display: flex;
    justify-content: center;
    gap: 2rem; 
    margin-top: 1rem; 
    font-size: 1.875rem; 
}
.social-icons a {
    color: #374151; 
    transition: color 0.3s ease;
}
.social-icons a:hover {
    color: #111827; 
}

.footer {
    background-color: #111827; 
    color: #ffffff;
    padding-top: 2rem; 
    padding-bottom: 2rem; 
    text-align: center;
}
.footer p {
    margin-bottom: 0;
}
.footer-tagline {
    font-size: 0.875rem; 
    margin-top: 0.5rem; 
    opacity: 0.8; 
}